c++ - Visual C fatal error LNK1120 : 1 unresolved externals

Question

不知道出了什么问题，所有的帮助将不胜感激。我想我的文件源有问题，但不确定。

1>------ Build started: Project: Assignment 08 ADL, Configuration: Debug Win32 ------
1>Build started 3/18/2013 8:37:38 PM.
1>InitializeBuildStatus:
1>  Touching "Debug\Assignment 08 ADL.unsuccessfulbuild".
1>ClCompile:
1>  Assignment 08 ADL.cpp
1>  Generating Code...
1>  Skipping... (no relevant changes detected)
1>  student.cpp
1>ManifestResourceCompile:
1>  All outputs are up-to-date.
1>Assignment 08 ADL.obj : error LNK2019: unresolved external symbol "long __cdecl    decimals(class std::basic_ostream<char,struct std::char_traits<char> > &,int)" (? decimals@@YAJAAV?$basic_ostream@DU?$char_traits@D@std@@@std@@H@Z) referenced in function "void __cdecl display(class student)" (?display@@YAXVstudent@@@Z)
1>J:\CO 127\Assignment 08 ADL\Debug\Assignment 08 ADL.exe : fatal error LNK1120: 1 unresolved externals
1>
1>Build FAILED.
1>
1>Time Elapsed 00:00:24.82

Answer 1

您需要查看 LNK1120 上面的行，LNK2019 错误会告诉您哪里出了问题。

在您的 void display(class student) 函数中，您正在调用一个名为 decimals 的函数，该函数未在您的源代码或库中的任何地方定义。